Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual dupla feminina tem Howard Bach e Tony Gunawan como dupla masculina e Taufik Hidayat como individual masculino?
 ###Tabelas: CREATE TABLE 2006_2007_table (2006_2007_table_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Played VARCHAR, Drawn VARCHAR, Lost VARCHAR, Points for VARCHAR, Points against VARCHAR, Points VARCHAR) CREATE TABLE incorporated_places_with_a_density_of_over_10000_people_per_square_mile (incorporated_places_with_a_density_of_over_10000_people_per_square_mile_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Incorporated place VARCHAR, Metropolitan area VARCHAR, State VARCHAR, Population (2010 census) INT, Land area (mi 2 ) VARCHAR, Population density (people per mi 2 ) VARCHAR) CREATE TABLE itf_singles_finals_18_12-6 (itf_singles_finals_18_12-6_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Championship VARCHAR, Surface VARCHAR, Opponent VARCHAR, Score VARCHAR) CREATE TABLE south_africa_in_england (south_africa_in_england_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Home captain VARCHAR, Away captain VARCHAR, Venue VARCHAR, Result VARCHAR) CREATE TABLE 21st_century (21st_century_id AUTO_INCREMENT PRIMARY KEY, Year INT, Men's singles VARCHAR, Women's singles VARCHAR, Men's doubles VARCHAR, Women's doubles VARCHAR, Mixed doubles VARCHAR)  
SELECT Women's doubles FROM 21st_century WHERE Men's doubles = howard bach tony gunawan AND Men's singles = taufik hidayat